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Commit	Line	Data
	1	//-----------------------------------------------------------------------------\r
	2	//\r
	3	// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
	4	// at your option, any later version. See the LICENSE.txt file for the text of\r
	5	// the license.\r
	6	//-----------------------------------------------------------------------------\r
	7	// Low frequency T55xx commands\r
	8	//-----------------------------------------------------------------------------\r
	9	\r
	10	#include <stdio.h>\r
	11	#include <string.h>\r
	12	#include <inttypes.h>\r
	13	#include "proxmark3.h"\r
	14	#include "ui.h"\r
	15	#include "graph.h"\r
	16	#include "cmdmain.h"\r
	17	#include "cmdparser.h"\r
	18	#include "cmddata.h"\r
	19	#include "cmdlf.h"\r
	20	#include "cmdlft55xx.h"\r
	21	#include "util.h"\r
	22	#include "data.h"\r
	23	#include "lfdemod.h"\r
	24	#include "../common/crc.h"\r
	25	#include "../common/iso14443crc.h"\r
	26	#include "cmdhf14a.h"\r
	27	\r
	28	#define CONFIGURATION_BLOCK 0x00\r
	29	#define TRACE_BLOCK 0x01\r
	30	\r
	31	// Default configuration\r
	32	t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00};\r
	33	\r
	34	int usage_t55xx_config(){\r
	35	PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");\r
	36	PrintAndLog("Options: ");\r
	37	PrintAndLog(" h This help");\r
	38	PrintAndLog(" b <8\|16\|32\|40\|50\|64\|100\|128> Set bitrate");\r
	39	PrintAndLog(" d <FSK\|FSK1\|FSK1a\|FSK2\|FSK2a\|ASK\|PSK1\|PSK2\|NZ\|BI\|BIa> Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");\r
	40	PrintAndLog(" i [1] Invert data signal, defaults to normal");\r
	41	PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");\r
	42	PrintAndLog("");\r
	43	PrintAndLog("Examples:");\r
	44	PrintAndLog(" lf t55xx config d FSK - FSK demodulation");\r
	45	PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");\r
	46	PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");\r
	47	PrintAndLog("");\r
	48	return 0;\r
	49	}\r
	50	int usage_t55xx_read(){\r
	51	PrintAndLog("Usage: lf t55xx read <block> <password>");\r
	52	PrintAndLog(" <block>, block number to read. Between 0-7");\r
	53	PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");\r
	54	PrintAndLog("");\r
	55	PrintAndLog("Examples:");\r
	56	PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
	57	PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
	58	PrintAndLog("");\r
	59	return 0;\r
	60	}\r
	61	int usage_t55xx_write(){\r
	62	PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");\r
	63	PrintAndLog(" <block>, block number to read. Between 0-7");\r
	64	PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");\r
	65	PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");\r
	66	PrintAndLog("");\r
	67	PrintAndLog("Examples:");\r
	68	PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");\r
	69	PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
	70	PrintAndLog("");\r
	71	return 0;\r
	72	}\r
	73	int usage_t55xx_trace() {\r
	74	PrintAndLog("Usage: lf t55xx trace [1]");\r
	75	PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
	76	PrintAndLog("");\r
	77	PrintAndLog("Examples:");\r
	78	PrintAndLog(" lf t55xx trace");\r
	79	PrintAndLog(" lf t55xx trace 1");\r
	80	PrintAndLog("");\r
	81	return 0;\r
	82	}\r
	83	int usage_t55xx_info() {\r
	84	PrintAndLog("Usage: lf t55xx info [1]");\r
	85	PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
	86	PrintAndLog("");\r
	87	PrintAndLog("Examples:");\r
	88	PrintAndLog(" lf t55xx info");\r
	89	PrintAndLog(" lf t55xx info 1");\r
	90	PrintAndLog("");\r
	91	return 0;\r
	92	}\r
	93	int usage_t55xx_dump(){\r
	94	PrintAndLog("Usage: lf t55xx dump <password>");\r
	95	PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");\r
	96	PrintAndLog("");\r
	97	PrintAndLog("Examples:");\r
	98	PrintAndLog(" lf t55xx dump");\r
	99	PrintAndLog(" lf t55xx dump feedbeef");\r
	100	PrintAndLog("");\r
	101	return 0;\r
	102	}\r
	103	int usage_t55xx_detect(){\r
	104	PrintAndLog("Usage: lf t55xx detect");\r
	105	PrintAndLog("");\r
	106	PrintAndLog("Examples:");\r
	107	PrintAndLog(" lf t55xx detect");\r
	108	PrintAndLog(" lf t55xx detect 1");\r
	109	PrintAndLog("");\r
	110	return 0;\r
	111	}\r
	112	\r
	113	static int CmdHelp(const char *Cmd);\r
	114	\r
	115	int CmdT55xxSetConfig(const char *Cmd) {\r
	116	\r
	117	uint8_t offset = 0;\r
	118	bool errors = FALSE;\r
	119	uint8_t cmdp = 0;\r
	120	char modulation[5] = {0x00};\r
	121	char tmp = 0x00;\r
	122	uint8_t bitRate = 0;\r
	123	uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};\r
	124	while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
	125	{\r
	126	tmp = param_getchar(Cmd, cmdp);\r
	127	switch(tmp)\r
	128	{\r
	129	case 'h':\r
	130	case 'H':\r
	131	return usage_t55xx_config();\r
	132	case 'b':\r
	133	errors \|= param_getdec(Cmd, cmdp+1, &bitRate);\r
	134	if ( !errors){\r
	135	uint8_t i = 0;\r
	136	for (; i < 9; i++){\r
	137	if (rates[i]==bitRate) {\r
	138	config.bitrate = i;\r
	139	break;\r
	140	}\r
	141	}\r
	142	if (i==9) errors = TRUE;\r
	143	}\r
	144	cmdp+=2;\r
	145	break;\r
	146	case 'd':\r
	147	param_getstr(Cmd, cmdp+1, modulation);\r
	148	cmdp += 2;\r
	149	\r
	150	if ( strcmp(modulation, "FSK" ) == 0)\r
	151	config.modulation = DEMOD_FSK;\r
	152	else if ( strcmp(modulation, "FSK1" ) == 0)\r
	153	config.modulation = DEMOD_FSK1;\r
	154	else if ( strcmp(modulation, "FSK1a" ) == 0)\r
	155	config.modulation = DEMOD_FSK1a;\r
	156	else if ( strcmp(modulation, "FSK2" ) == 0)\r
	157	config.modulation = DEMOD_FSK2;\r
	158	else if ( strcmp(modulation, "FSK2a" ) == 0)\r
	159	config.modulation = DEMOD_FSK2a;\r
	160	else if ( strcmp(modulation, "ASK" ) == 0)\r
	161	config.modulation = DEMOD_ASK;\r
	162	else if ( strcmp(modulation, "NRZ" ) == 0)\r
	163	config.modulation = DEMOD_NRZ;\r
	164	else if ( strcmp(modulation, "PSK1" ) == 0)\r
	165	config.modulation = DEMOD_PSK1;\r
	166	else if ( strcmp(modulation, "PSK2" ) == 0)\r
	167	config.modulation = DEMOD_PSK2;\r
	168	else if ( strcmp(modulation, "PSK3" ) == 0)\r
	169	config.modulation = DEMOD_PSK3;\r
	170	else if ( strcmp(modulation, "BIa" ) == 0)\r
	171	config.modulation = DEMOD_BIa;\r
	172	else if ( strcmp(modulation, "BI" ) == 0)\r
	173	config.modulation = DEMOD_BI;\r
	174	else {\r
	175	PrintAndLog("Unknown modulation '%s'", modulation);\r
	176	errors = TRUE;\r
	177	}\r
	178	break;\r
	179	case 'i':\r
	180	config.inverted = param_getchar(Cmd,cmdp+1) == '1';\r
	181	cmdp+=2;\r
	182	break;\r
	183	case 'o':\r
	184	errors \|= param_getdec(Cmd, cmdp+1, &offset);\r
	185	if ( !errors )\r
	186	config.offset = offset;\r
	187	cmdp+=2;\r
	188	break;\r
	189	default:\r
	190	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
	191	errors = TRUE;\r
	192	break;\r
	193	}\r
	194	}\r
	195	\r
	196	// No args\r
	197	if (cmdp == 0) {\r
	198	printConfiguration( config );\r
	199	return 0;\r
	200	}\r
	201	//Validations\r
	202	if (errors)\r
	203	return usage_t55xx_config();\r
	204	\r
	205	config.block0 = 0;\r
	206	printConfiguration ( config );\r
	207	return 0;\r
	208	}\r
	209	\r
	210	int CmdT55xxReadBlock(const char *Cmd) {\r
	211	int block = -1;\r
	212	int password = 0xFFFFFFFF; //default to blank Block 7\r
	213	\r
	214	char cmdp = param_getchar(Cmd, 0);\r
	215	if (cmdp == 'h' \|\| cmdp == 'H')\r
	216	return usage_t55xx_read();\r
	217	\r
	218	int res = sscanf(Cmd, "%d %x", &block, &password);\r
	219	\r
	220	if ( res < 1 \|\| res > 2 )\r
	221	return usage_t55xx_read();\r
	222	\r
	223	\r
	224	if ((block < 0) \| (block > 7)) {\r
	225	PrintAndLog("Block must be between 0 and 7");\r
	226	return 1;\r
	227	} \r
	228	\r
	229	UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
	230	c.d.asBytes[0] = 0x0; \r
	231	\r
	232	//Password mode\r
	233	if ( res == 2 ) {\r
	234	c.arg[2] = password;\r
	235	c.d.asBytes[0] = 0x1; \r
	236	}\r
	237	\r
	238	SendCommand(&c);\r
	239	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
	240	PrintAndLog("command execution time out");\r
	241	return 2;\r
	242	}\r
	243	\r
	244	uint8_t got[12000];\r
	245	GetFromBigBuf(got,sizeof(got),0);\r
	246	WaitForResponse(CMD_ACK,NULL);\r
	247	setGraphBuf(got, 12000);\r
	248	DemodBufferLen=0;\r
	249	if (!DecodeT55xxBlock()) return 3;\r
	250	char blk[10]={0};\r
	251	sprintf(blk,"%d", block);\r
	252	printT55xxBlock(blk);\r
	253	return 0;\r
	254	}\r
	255	\r
	256	bool DecodeT55xxBlock(){\r
	257	\r
	258	char buf[8] = {0x00};\r
	259	char *cmdStr = buf;\r
	260	int ans = 0;\r
	261	uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
	262	\r
	263	DemodBufferLen = 0x00;\r
	264	\r
	265	switch( config.modulation ){\r
	266	case DEMOD_FSK:\r
	267	//CmdLtrim("26");\r
	268	sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
	269	CmdLtrim(cmdStr); \r
	270	sprintf(cmdStr,"%d %d", bitRate[config.bitrate], config.inverted );\r
	271	ans = FSKrawDemod(cmdStr, FALSE);\r
	272	break;\r
	273	case DEMOD_FSK1:\r
	274	//CmdLtrim("26");\r
	275	sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
	276	CmdLtrim(cmdStr); \r
	277	sprintf(cmdStr,"%d 1 8 5", bitRate[config.bitrate] );\r
	278	ans = FSKrawDemod(cmdStr, FALSE);\r
	279	break;\r
	280	case DEMOD_FSK1a:\r
	281	//CmdLtrim("26");\r
	282	sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
	283	CmdLtrim(cmdStr); \r
	284	sprintf(cmdStr,"%d 0 8 5", bitRate[config.bitrate] );\r
	285	ans = FSKrawDemod(cmdStr, FALSE);\r
	286	break;\r
	287	case DEMOD_FSK2:\r
	288	//CmdLtrim("26");\r
	289	sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
	290	CmdLtrim(cmdStr); \r
	291	sprintf(cmdStr,"%d 0 10 8", bitRate[config.bitrate] );\r
	292	ans = FSKrawDemod(cmdStr, FALSE);\r
	293	break;\r
	294	case DEMOD_FSK2a:\r
	295	//CmdLtrim("26");\r
	296	sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 );\r
	297	CmdLtrim(cmdStr); \r
	298	sprintf(cmdStr,"%d 1 10 8", bitRate[config.bitrate] );\r
	299	ans = FSKrawDemod(cmdStr, FALSE);\r
	300	break;\r
	301	case DEMOD_ASK:\r
	302	sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
	303	ans = ASKmanDemod(cmdStr, FALSE, FALSE);\r
	304	break;\r
	305	case DEMOD_PSK1:\r
	306	sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
	307	ans = PSKDemod(cmdStr, FALSE);\r
	308	break;\r
	309	case DEMOD_PSK2:\r
	310	sprintf(cmdStr,"%d 1", bitRate[config.bitrate] );\r
	311	ans = PSKDemod(cmdStr, FALSE);\r
	312	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	313	break;\r
	314	case DEMOD_PSK3:\r
	315	sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
	316	ans = PSKDemod(cmdStr, FALSE);\r
	317	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	318	break;\r
	319	case DEMOD_NRZ:\r
	320	sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted );\r
	321	ans = NRZrawDemod(cmdStr, FALSE);\r
	322	break;\r
	323	case DEMOD_BI:\r
	324	sprintf(cmdStr,"0 %d 0 1", bitRate[config.bitrate] );\r
	325	ans = ASKbiphaseDemod(cmdStr, FALSE);\r
	326	break;\r
	327	case DEMOD_BIa:\r
	328	sprintf(cmdStr,"0 %d 1 1", bitRate[config.bitrate] );\r
	329	ans = ASKbiphaseDemod(cmdStr, FALSE);\r
	330	break;\r
	331	default:\r
	332	return FALSE;\r
	333	}\r
	334	return (bool) ans;\r
	335	}\r
	336	\r
	337	int CmdT55xxDetect(const char *Cmd){\r
	338	\r
	339	char cmdp = param_getchar(Cmd, 0);\r
	340	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H')\r
	341	return usage_t55xx_detect();\r
	342	\r
	343	if (strlen(Cmd)==0)\r
	344	AquireData( CONFIGURATION_BLOCK );\r
	345	\r
	346	if ( !tryDetectModulation() )\r
	347	PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
	348	\r
	349	return 0;\r
	350	}\r
	351	\r
	352	// detect configuration?\r
	353	bool tryDetectModulation(){\r
	354	char cmdStr[8] = {0};\r
	355	uint8_t hits = 0;\r
	356	t55xx_conf_block_t tests[15];\r
	357	\r
	358	if (GetFskClock("", FALSE, FALSE)){ \r
	359	uint8_t fc1 = 0, fc2 = 0, clk=0;\r
	360	fskClocks(&fc1, &fc2, &clk, FALSE);\r
	361	sprintf(cmdStr,"%d", clk/2);\r
	362	CmdLtrim(cmdStr);\r
	363	if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset)){\r
	364	tests[hits].modulation = DEMOD_FSK;\r
	365	if (fc1==8 && fc2 == 5)\r
	366	tests[hits].modulation = DEMOD_FSK1a;\r
	367	else if (fc1==10 && fc2 == 8)\r
	368	tests[hits].modulation = DEMOD_FSK2;\r
	369	\r
	370	tests[hits].inverted = FALSE;\r
	371	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	372	++hits;\r
	373	}\r
	374	if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset)) {\r
	375	tests[hits].modulation = DEMOD_FSK;\r
	376	if (fc1==8 && fc2 == 5)\r
	377	tests[hits].modulation = DEMOD_FSK1;\r
	378	else if (fc1==10 && fc2 == 8)\r
	379	tests[hits].modulation = DEMOD_FSK2a;\r
	380	\r
	381	tests[hits].inverted = TRUE;\r
	382	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	383	++hits;\r
	384	}\r
	385	} else {\r
	386	if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
	387	tests[hits].modulation = DEMOD_ASK;\r
	388	tests[hits].inverted = FALSE;\r
	389	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	390	++hits;\r
	391	}\r
	392	\r
	393	if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
	394	tests[hits].modulation = DEMOD_ASK;\r
	395	tests[hits].inverted = TRUE;\r
	396	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	397	++hits;\r
	398	}\r
	399	\r
	400	if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
	401	tests[hits].modulation = DEMOD_NRZ;\r
	402	tests[hits].inverted = FALSE;\r
	403	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	404	++hits;\r
	405	}\r
	406	\r
	407	if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
	408	tests[hits].modulation = DEMOD_NRZ;\r
	409	tests[hits].inverted = TRUE;\r
	410	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	411	++hits;\r
	412	}\r
	413	\r
	414	if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
	415	tests[hits].modulation = DEMOD_PSK1;\r
	416	tests[hits].inverted = FALSE;\r
	417	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	418	++hits;\r
	419	}\r
	420	\r
	421	if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
	422	tests[hits].modulation = DEMOD_PSK1;\r
	423	tests[hits].inverted = TRUE;\r
	424	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	425	++hits;\r
	426	}\r
	427	\r
	428	// PSK2 - needs a call to psk1TOpsk2.\r
	429	if ( PSKDemod("0 0 1", FALSE)) {\r
	430	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	431	if (test(DEMOD_PSK2, &tests[hits].offset)){\r
	432	tests[hits].modulation = DEMOD_PSK2;\r
	433	tests[hits].inverted = FALSE;\r
	434	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	435	++hits;\r
	436	}\r
	437	} // inverse waves does not affect this demod\r
	438	\r
	439	// PSK3 - needs a call to psk1TOpsk2.\r
	440	if ( PSKDemod("0 0 1", FALSE)) {\r
	441	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	442	if (test(DEMOD_PSK3, &tests[hits].offset)){\r
	443	tests[hits].modulation = DEMOD_PSK3;\r
	444	tests[hits].inverted = FALSE;\r
	445	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	446	++hits;\r
	447	}\r
	448	} // inverse waves does not affect this demod\r
	449	\r
	450	if ( ASKbiphaseDemod("0 0 0 1", FALSE) && test(DEMOD_BI, &tests[hits].offset) ) {\r
	451	tests[hits].modulation = DEMOD_BI;\r
	452	tests[hits].inverted = FALSE;\r
	453	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	454	++hits;\r
	455	}\r
	456	if ( ASKbiphaseDemod("0 0 1 1", FALSE) && test(DEMOD_BIa, &tests[hits].offset) ) {\r
	457	tests[hits].modulation = DEMOD_BIa;\r
	458	tests[hits].inverted = TRUE;\r
	459	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	460	++hits;\r
	461	}\r
	462	} \r
	463	if ( hits == 1) {\r
	464	config.modulation = tests[0].modulation;\r
	465	config.inverted = tests[0].inverted;\r
	466	config.offset = tests[0].offset;\r
	467	config.block0 = tests[0].block0;\r
	468	printConfiguration( config );\r
	469	return TRUE;\r
	470	}\r
	471	\r
	472	if ( hits > 1) {\r
	473	PrintAndLog("Found [%d] possible matches for modulation.",hits);\r
	474	for(int i=0; i<hits; ++i){\r
	475	PrintAndLog("--[%d]---------------", i+1);\r
	476	printConfiguration( tests[i] );\r
	477	}\r
	478	}\r
	479	return FALSE;\r
	480	}\r
	481	\r
	482	bool testModulation(uint8_t mode, uint8_t modread){\r
	483	switch( mode ){\r
	484	case DEMOD_FSK:\r
	485	if (modread > 3 && modread < 8) return TRUE;\r
	486	break;\r
	487	case DEMOD_ASK:\r
	488	if (modread == DEMOD_ASK) return TRUE;\r
	489	break;\r
	490	case DEMOD_PSK1:\r
	491	if (modread == DEMOD_PSK1) return TRUE;\r
	492	break;\r
	493	case DEMOD_PSK2:\r
	494	if (modread == DEMOD_PSK2) return TRUE;\r
	495	break;\r
	496	case DEMOD_PSK3:\r
	497	if (modread == DEMOD_PSK3) return TRUE;\r
	498	break;\r
	499	case DEMOD_NRZ:\r
	500	if (modread == DEMOD_NRZ) return TRUE;\r
	501	break;\r
	502	case DEMOD_BI:\r
	503	if (modread == DEMOD_BI) return TRUE;\r
	504	break;\r
	505	case DEMOD_BIa:\r
	506	if (modread == DEMOD_BIa) return TRUE;\r
	507	break; \r
	508	default:\r
	509	return FALSE;\r
	510	}\r
	511	return FALSE;\r
	512	}\r
	513	\r
	514	bool testBitRate(uint8_t readRate, uint8_t mod){\r
	515	uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128};\r
	516	uint8_t detRate = 0;\r
	517	switch( mod ){\r
	518	case DEMOD_FSK:\r
	519	detRate = GetFskClock("",FALSE, FALSE); \r
	520	if (expected[readRate] == detRate) {\r
	521	config.bitrate = readRate;\r
	522	return TRUE;\r
	523	}\r
	524	break;\r
	525	case DEMOD_FSK1:\r
	526	detRate = GetFskClock("",FALSE, FALSE); \r
	527	if (expected[readRate] == detRate) {\r
	528	config.bitrate = readRate;\r
	529	return TRUE;\r
	530	}\r
	531	break;\r
	532	case DEMOD_FSK1a:\r
	533	detRate = GetFskClock("",FALSE, FALSE); \r
	534	if (expected[readRate] == detRate) {\r
	535	config.bitrate = readRate;\r
	536	return TRUE;\r
	537	}\r
	538	break;\r
	539	case DEMOD_FSK2:\r
	540	detRate = GetFskClock("",FALSE, FALSE); \r
	541	if (expected[readRate] == detRate) {\r
	542	config.bitrate = readRate;\r
	543	return TRUE;\r
	544	}\r
	545	break;\r
	546	case DEMOD_FSK2a:\r
	547	detRate = GetFskClock("",FALSE, FALSE); \r
	548	if (expected[readRate] == detRate) {\r
	549	config.bitrate = readRate;\r
	550	return TRUE;\r
	551	}\r
	552	break;\r
	553	case DEMOD_ASK:\r
	554	detRate = GetAskClock("",FALSE, FALSE); \r
	555	if (expected[readRate] == detRate) {\r
	556	config.bitrate = readRate;\r
	557	return TRUE;\r
	558	}\r
	559	break;\r
	560	case DEMOD_PSK1:\r
	561	detRate = GetPskClock("",FALSE, FALSE); \r
	562	if (expected[readRate] == detRate) {\r
	563	config.bitrate = readRate;\r
	564	return TRUE;\r
	565	}\r
	566	break;\r
	567	case DEMOD_PSK2:\r
	568	detRate = GetPskClock("",FALSE, FALSE); \r
	569	if (expected[readRate] == detRate) {\r
	570	config.bitrate = readRate;\r
	571	return TRUE;\r
	572	}\r
	573	break;\r
	574	case DEMOD_PSK3:\r
	575	detRate = GetPskClock("",FALSE, FALSE); \r
	576	if (expected[readRate] == detRate) {\r
	577	config.bitrate = readRate;\r
	578	return TRUE;\r
	579	}\r
	580	break;\r
	581	case DEMOD_NRZ:\r
	582	detRate = GetNrzClock("",FALSE, FALSE); \r
	583	if (expected[readRate] == detRate) {\r
	584	config.bitrate = readRate;\r
	585	return TRUE;\r
	586	}\r
	587	break;\r
	588	case DEMOD_BI:\r
	589	detRate = GetAskClock("",FALSE, FALSE); \r
	590	if (expected[readRate] == detRate) {\r
	591	config.bitrate = readRate;\r
	592	return TRUE;\r
	593	}\r
	594	break;\r
	595	default:\r
	596	return FALSE;\r
	597	}\r
	598	return FALSE;\r
	599	}\r
	600	\r
	601	bool test(uint8_t mode, uint8_t *offset){\r
	602	\r
	603	if ( !DemodBufferLen) return FALSE;\r
	604	uint8_t si = 0;\r
	605	for (uint8_t idx = 0; idx < 64; idx++){\r
	606	si = idx;\r
	607	if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue;\r
	608	\r
	609	uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key\r
	610	uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode\r
	611	// 2nibble must be zeroed.\r
	612	// moved test to here, since this gets most faults first.\r
	613	if ( resv > 0x00) continue;\r
	614	\r
	615	uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //new\r
	616	uint8_t bitRate = PackBits(si, 3, DemodBuffer); si += 3; //new could check bit rate\r
	617	uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode\r
	618	uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; //new\r
	619	//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //new could check psk cr\r
	620	uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24 , 30, 31 could be tested for 0 if not extended mode\r
	621	uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;\r
	622	\r
	623	//if extended mode\r
	624	bool extMode =( (safer == 0x6 \|\| safer == 0x9) && extend) ? TRUE : FALSE;\r
	625	\r
	626	if (!extMode){\r
	627	if (nml01 \|\| nml02 \|\| xtRate) continue;\r
	628	}\r
	629	//test modulation\r
	630	if (!testModulation(mode, modread)) continue;\r
	631	\r
	632	*offset = idx;\r
	633	if (!testBitRate(bitRate, mode)) continue;\r
	634	return TRUE;\r
	635	}\r
	636	return FALSE;\r
	637	}\r
	638	\r
	639	void printT55xxBlock(const char *demodStr){\r
	640	\r
	641	uint8_t i = config.offset;\r
	642	uint8_t endpos = 32 + i;\r
	643	uint32_t blockData = 0;\r
	644	uint8_t bits[64] = {0x00};\r
	645	\r
	646	if ( !DemodBufferLen) return;\r
	647	\r
	648	if ( endpos > DemodBufferLen){\r
	649	PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);\r
	650	return;\r
	651	}\r
	652	\r
	653	for (; i < endpos; ++i)\r
	654	bits[i - config.offset]=DemodBuffer[i];\r
	655	\r
	656	blockData = PackBits(0, 32, bits);\r
	657	PrintAndLog("0x%08X %s [%s]", blockData, sprint_bin(bits,32), demodStr);\r
	658	}\r
	659	\r
	660	int special(const char *Cmd) {\r
	661	uint32_t blockData = 0;\r
	662	uint8_t bits[32] = {0x00};\r
	663	\r
	664	PrintAndLog("[OFFSET] [DATA] [BINARY]");\r
	665	PrintAndLog("----------------------------------------------------");\r
	666	int i,j = 0;\r
	667	for (; j < 64; ++j){\r
	668	\r
	669	for (i = 0; i < 32; ++i)\r
	670	bits[i]=DemodBuffer[j+i];\r
	671	\r
	672	blockData = PackBits(0, 32, bits);\r
	673	\r
	674	PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32)); \r
	675	}\r
	676	return 0;\r
	677	}\r
	678	\r
	679	void printConfiguration( t55xx_conf_block_t b){\r
	680	PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );\r
	681	PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );\r
	682	PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );\r
	683	PrintAndLog("Offset : %d", b.offset);\r
	684	PrintAndLog("Block0 : 0x%08X", b.block0);\r
	685	PrintAndLog("");\r
	686	}\r
	687	\r
	688	int CmdT55xxWriteBlock(const char *Cmd)\r
	689	{\r
	690	int block = 8; //default to invalid block\r
	691	int data = 0xFFFFFFFF; //default to blank Block \r
	692	int password = 0xFFFFFFFF; //default to blank Block 7\r
	693	\r
	694	char cmdp = param_getchar(Cmd, 0);\r
	695	if (cmdp == 'h' \|\| cmdp == 'H') {\r
	696	usage_t55xx_write();\r
	697	return 0;\r
	698	}\r
	699	\r
	700	int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);\r
	701	\r
	702	if ( res < 2 \|\| res > 3) {\r
	703	usage_t55xx_write();\r
	704	return 1;\r
	705	}\r
	706	\r
	707	if (block > 7) {\r
	708	PrintAndLog("Block number must be between 0 and 7");\r
	709	return 1;\r
	710	}\r
	711	\r
	712	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
	713	c.d.asBytes[0] = 0x0; \r
	714	\r
	715	PrintAndLog("Writing to block: %d data : 0x%08X", block, data);\r
	716	\r
	717	//Password mode\r
	718	if (res == 3) {\r
	719	c.arg[2] = password;\r
	720	c.d.asBytes[0] = 0x1; \r
	721	PrintAndLog("pwd : 0x%08X", password);\r
	722	}\r
	723	SendCommand(&c);\r
	724	return 0;\r
	725	}\r
	726	\r
	727	int CmdT55xxReadTrace(const char *Cmd)\r
	728	{\r
	729	char cmdp = param_getchar(Cmd, 0);\r
	730	\r
	731	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H') \r
	732	return usage_t55xx_trace();\r
	733	\r
	734	if (strlen(Cmd)==0)\r
	735	AquireData( TRACE_BLOCK );\r
	736	\r
	737	if (!DecodeT55xxBlock()) return 1;\r
	738	\r
	739	if ( !DemodBufferLen) return 1;\r
	740	\r
	741	RepaintGraphWindow();\r
	742	uint8_t repeat = 0;\r
	743	if (config.offset > 5) \r
	744	repeat = 32;\r
	745	uint8_t si = config.offset+repeat;\r
	746	uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
	747	uint32_t bl1 = PackBits(si+32, 32, DemodBuffer);\r
	748	\r
	749	uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;\r
	750	uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;\r
	751	uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;\r
	752	uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;\r
	753	uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;\r
	754	uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;\r
	755	uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;\r
	756	uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;\r
	757	uint32_t dw = PackBits(si, 15, DemodBuffer); \r
	758	\r
	759	PrintAndLog("");\r
	760	PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
	761	PrintAndLog("-------------------------------------------------------------");\r
	762	PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);\r
	763	PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));\r
	764	PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));\r
	765	PrintAndLog(" ICR IC Revision : %d",icr );\r
	766	PrintAndLog(" Manufactured");\r
	767	PrintAndLog(" Year/Quarter : 20?%d/%d",year, quarter);\r
	768	PrintAndLog(" Lot ID : %d", lotid );\r
	769	PrintAndLog(" Wafer number : %d", wafer);\r
	770	PrintAndLog(" Die Number : %d", dw);\r
	771	PrintAndLog("-------------------------------------------------------------");\r
	772	PrintAndLog(" Raw Data - Page 1");\r
	773	PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) );\r
	774	PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );\r
	775	PrintAndLog("-------------------------------------------------------------");\r
	776	\r
	777	if ( acl != 0xE0 )\r
	778	PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r
	779	/*\r
	780	TRACE - BLOCK O\r
	781	Bits Definition HEX\r
	782	1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 \r
	783	9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation\r
	784	17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 \r
	785	22-24 ICR IC revision\r
	786	25-28 YEAR (BCD encoded) 9 (= 2009)\r
	787	29-30 QUARTER 1,2,3,4 \r
	788	31-32 LOT ID\r
	789	\r
	790	TRACE - BLOCK 1\r
	791	1-12 LOT ID \r
	792	13-17 Wafer number\r
	793	18-32 DW, die number sequential\r
	794	*/\r
	795	\r
	796	return 0;\r
	797	}\r
	798	\r
	799	int CmdT55xxInfo(const char *Cmd){\r
	800	/*\r
	801	Page 0 Block 0 Configuration data.\r
	802	Normal mode\r
	803	Extended mode\r
	804	*/\r
	805	char cmdp = param_getchar(Cmd, 0);\r
	806	\r
	807	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H')\r
	808	return usage_t55xx_info();\r
	809	\r
	810	if (strlen(Cmd)==0)\r
	811	AquireData( CONFIGURATION_BLOCK );\r
	812	\r
	813	if (!DecodeT55xxBlock()) return 1;\r
	814	\r
	815	if ( !DemodBufferLen) return 1;\r
	816	\r
	817	uint8_t si = config.offset;\r
	818	uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
	819	\r
	820	uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4; \r
	821	uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;\r
	822	uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;\r
	823	uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;\r
	824	uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;\r
	825	uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;\r
	826	uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1; \r
	827	uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1; \r
	828	uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;\r
	829	uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1; \r
	830	uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1; \r
	831	uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;\r
	832	uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1; \r
	833	uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;\r
	834	\r
	835	PrintAndLog("");\r
	836	PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
	837	PrintAndLog("-------------------------------------------------------------");\r
	838	PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
	839	PrintAndLog(" reserved : %d", resv);\r
	840	PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
	841	PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
	842	PrintAndLog(" Modulation : %s", GetModulationStr(datamod));\r
	843	PrintAndLog(" PSK clock frequency : %d", pskcf);\r
	844	PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");\r
	845	PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );\r
	846	PrintAndLog(" Max block : %d", maxblk);\r
	847	PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");\r
	848	PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");\r
	849	PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
	850	PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");\r
	851	PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
	852	PrintAndLog("-------------------------------------------------------------");\r
	853	PrintAndLog(" Raw Data - Page 0");\r
	854	PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );\r
	855	PrintAndLog("-------------------------------------------------------------");\r
	856	\r
	857	return 0;\r
	858	}\r
	859	\r
	860	int CmdT55xxDump(const char *Cmd){\r
	861	\r
	862	char s[20] = {0x00};\r
	863	uint8_t pwd[4] = {0x00};\r
	864	\r
	865	char cmdp = param_getchar(Cmd, 0);\r
	866	if ( cmdp == 'h' \|\| cmdp == 'H') {\r
	867	usage_t55xx_dump();\r
	868	return 0;\r
	869	}\r
	870	\r
	871	bool hasPwd = ( strlen(Cmd) > 0); \r
	872	if ( hasPwd ){\r
	873	if (param_gethex(Cmd, 0, pwd, 8)) {\r
	874	PrintAndLog("password must include 8 HEX symbols");\r
	875	return 1;\r
	876	}\r
	877	}\r
	878	\r
	879	for ( int i = 0; i <8; ++i){\r
	880	memset(s,0,sizeof(s));\r
	881	if ( hasPwd ) {\r
	882	sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);\r
	883	} else {\r
	884	sprintf(s,"%d", i);\r
	885	}\r
	886	CmdT55xxReadBlock(s);\r
	887	}\r
	888	return 0;\r
	889	}\r
	890	\r
	891	int AquireData( uint8_t block ){\r
	892	\r
	893	UsbCommand c;\r
	894	\r
	895	if ( block == CONFIGURATION_BLOCK ) \r
	896	c.cmd = CMD_T55XX_READ_BLOCK;\r
	897	else if (block == TRACE_BLOCK )\r
	898	c.cmd = CMD_T55XX_READ_TRACE;\r
	899	\r
	900	c.arg[0] = 0x00;\r
	901	c.arg[1] = 0x00;\r
	902	c.arg[2] = 0x00;\r
	903	c.d.asBytes[0] = 0x0; \r
	904	\r
	905	//Password mode\r
	906	// if ( res == 2 ) {\r
	907	// c.arg[2] = password;\r
	908	// c.d.asBytes[0] = 0x1; \r
	909	// }\r
	910	\r
	911	SendCommand(&c);\r
	912	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
	913	PrintAndLog("command execution time out");\r
	914	return 1;\r
	915	}\r
	916	\r
	917	uint8_t got[12000];\r
	918	GetFromBigBuf(got,sizeof(got),0);\r
	919	WaitForResponse(CMD_ACK,NULL);\r
	920	setGraphBuf(got, 12000);\r
	921	return 0;\r
	922	}\r
	923	\r
	924	char * GetBitRateStr(uint32_t id){\r
	925	static char buf[40];\r
	926	char *retStr = buf;\r
	927	switch (id){\r
	928	case 0: \r
	929	sprintf(retStr,"%d - RF/8",id);\r
	930	break;\r
	931	case 1:\r
	932	sprintf(retStr,"%d - RF/16",id);\r
	933	break;\r
	934	case 2: \r
	935	sprintf(retStr,"%d - RF/32",id);\r
	936	break;\r
	937	case 3:\r
	938	sprintf(retStr,"%d - RF/40",id);\r
	939	break;\r
	940	case 4:\r
	941	sprintf(retStr,"%d - RF/50",id);\r
	942	break;\r
	943	case 5:\r
	944	sprintf(retStr,"%d - RF/64",id);\r
	945	break;\r
	946	case 6:\r
	947	sprintf(retStr,"%d - RF/100",id);\r
	948	break;\r
	949	case 7:\r
	950	sprintf(retStr,"%d - RF/128",id);\r
	951	break;\r
	952	default:\r
	953	sprintf(retStr,"%d - (Unknown)",id);\r
	954	break;\r
	955	}\r
	956	\r
	957	return buf;\r
	958	}\r
	959	\r
	960	char * GetSaferStr(uint32_t id){\r
	961	static char buf[40];\r
	962	char *retStr = buf;\r
	963	\r
	964	sprintf(retStr,"%d",id);\r
	965	if (id == 6) {\r
	966	sprintf(retStr,"%d - passwd",id);\r
	967	}\r
	968	if (id == 9 ){\r
	969	sprintf(retStr,"%d - testmode",id);\r
	970	}\r
	971	\r
	972	return buf;\r
	973	}\r
	974	char * GetModulationStr( uint32_t id){\r
	975	static char buf[40];\r
	976	char *retStr = buf;\r
	977	\r
	978	switch (id){\r
	979	case 0: \r
	980	sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);\r
	981	break;\r
	982	case 1:\r
	983	sprintf(retStr,"%d - PSK 1 phase change when input changes",id);\r
	984	break;\r
	985	case 2: \r
	986	sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);\r
	987	break;\r
	988	case 3:\r
	989	sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);\r
	990	break;\r
	991	case 4:\r
	992	sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);\r
	993	break;\r
	994	case 5:\r
	995	sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);\r
	996	break;\r
	997	case 6:\r
	998	sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);\r
	999	break;\r
	1000	case 7:\r
	1001	sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);\r
	1002	break;\r
	1003	case 8:\r
	1004	sprintf(retStr,"%d - Manschester",id);\r
	1005	break;\r
	1006	case 16:\r
	1007	sprintf(retStr,"%d - Biphase",id);\r
	1008	break;\r
	1009	case 0x18:\r
	1010	sprintf(retStr,"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);\r
	1011	break;\r
	1012	case 17:\r
	1013	sprintf(retStr,"%d - Reserved",id);\r
	1014	break;\r
	1015	default:\r
	1016	sprintf(retStr,"0x%02X (Unknown)",id);\r
	1017	break;\r
	1018	}\r
	1019	return buf;\r
	1020	}\r
	1021	\r
	1022	char * GetModelStrFromCID(uint32_t cid){\r
	1023	\r
	1024	static char buf[10];\r
	1025	char *retStr = buf;\r
	1026	\r
	1027	if (cid == 1) sprintf(retStr,"ATA5577M1");\r
	1028	if (cid == 2) sprintf(retStr,"ATA5577M2"); \r
	1029	return buf;\r
	1030	}\r
	1031	\r
	1032	char * GetSelectedModulationStr( uint8_t id){\r
	1033	\r
	1034	static char buf[16];\r
	1035	char *retStr = buf;\r
	1036	\r
	1037	switch (id){\r
	1038	case DEMOD_FSK:\r
	1039	sprintf(retStr,"FSK");\r
	1040	break;\r
	1041	case DEMOD_FSK1:\r
	1042	sprintf(retStr,"FSK1");\r
	1043	break;\r
	1044	case DEMOD_FSK1a:\r
	1045	sprintf(retStr,"FSK1a");\r
	1046	break;\r
	1047	case DEMOD_FSK2:\r
	1048	sprintf(retStr,"FSK2");\r
	1049	break;\r
	1050	case DEMOD_FSK2a:\r
	1051	sprintf(retStr,"FSK2a");\r
	1052	break;\r
	1053	case DEMOD_ASK: \r
	1054	sprintf(retStr,"ASK");\r
	1055	break;\r
	1056	case DEMOD_NRZ:\r
	1057	sprintf(retStr,"DIRECT/NRZ");\r
	1058	break;\r
	1059	case DEMOD_PSK1:\r
	1060	sprintf(retStr,"PSK1");\r
	1061	break;\r
	1062	case DEMOD_PSK2:\r
	1063	sprintf(retStr,"PSK2");\r
	1064	break;\r
	1065	case DEMOD_PSK3:\r
	1066	sprintf(retStr,"PSK3");\r
	1067	break;\r
	1068	case DEMOD_BI:\r
	1069	sprintf(retStr,"BIPHASE");\r
	1070	break;\r
	1071	case DEMOD_BIa:\r
	1072	sprintf(retStr,"BIPHASEa - (CDP)");\r
	1073	break;\r
	1074	default:\r
	1075	sprintf(retStr,"(Unknown)");\r
	1076	break;\r
	1077	}\r
	1078	return buf;\r
	1079	}\r
	1080	\r
	1081	uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
	1082	\r
	1083	int i = start;\r
	1084	int j = len-1;\r
	1085	\r
	1086	if (len > 32) return 0;\r
	1087	\r
	1088	uint32_t tmp = 0;\r
	1089	for (; j >= 0; --j, ++i)\r
	1090	tmp \|= bits[i] << j;\r
	1091	\r
	1092	return tmp;\r
	1093	}\r
	1094	\r
	1095	static command_t CommandTable[] =\r
	1096	{\r
	1097	{"help", CmdHelp, 1, "This help"},\r
	1098	{"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
	1099	{"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},\r
	1100	{"read", CmdT55xxReadBlock, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
	1101	{"write", CmdT55xxWriteBlock,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
	1102	{"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},\r
	1103	{"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},\r
	1104	{"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
	1105	{"special", special, 0, "Show block changes with 64 different offsets"},\r
	1106	{NULL, NULL, 0, NULL}\r
	1107	};\r
	1108	\r
	1109	int CmdLFT55XX(const char *Cmd)\r
	1110	{\r
	1111	CmdsParse(CommandTable, Cmd);\r
	1112	return 0;\r
	1113	}\r
	1114	\r
	1115	int CmdHelp(const char *Cmd)\r
	1116	{\r
	1117	CmdsHelp(CommandTable);\r
	1118	return 0;\r
	1119	}\r